Home / 31,578.39-43,577.66-17,430.87

Finding the Fourth Proportional to 31,578.39, 43,577.66 and 17,430.87

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Solution

The fourth proportional to 31,578.39, 43,577.66 and 17,430.87 is: 24,054.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,578.39 : 43,577.66 = 17,430.87 : x
  2. Step 2: Convert to fraction form
    31,578.39/43,577.66 = 17,430.87/x
  3. Step 3: Cross multiply
    31,578.39x = 43,577.66 × 17,430.87
  4. Step 4: Simplify right side
    31,578.39x = 759,596,439.21
  5. Step 5: Solve for x
    x = 759,596,439.21/31,578.39
  6. Step 6: Final answer
    x = 24,054.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.